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Agent Architecture

53 summarised stories about Agent Architecture, each linking back to the original source. Browse all topics →

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Thursday, 30 July 2026

How much can you delegate to agents?

build mode 1 month ago 2

PostHog's Jina Yoon outlines a framework for deciding how much autonomy to give AI agents based on task checkability and reversibility rather than model capability alone. The framework defines four levels: assistant mode for hard-to-check, hard-to-undo work; human-in-the-loop for hard-to-check, easy-to-undo work; agent delegation for easy-to-check, hard-to-undo work; and self-driving mode for easy-to-check, easy-to-undo work. The approach enables faster shipping by automating low-risk tasks through deterministic checks, reversibility guarantees, and structured guardrails rather than relying on human review as a bottleneck.

Prompt Engineering vs Loop Engineering vs Graph Engineering: What Changes at Each Layer

MarkTechPost 1 month ago 9 2 sources

The article distinguishes three layers of AI engineering control: prompt engineering (one model response), loop engineering (one agent's behavior cycle), and graph engineering (organization of many agents). Loop engineering emerged in late 2025 and requires a mechanical stop condition to avoid running until the token budget exhausts rather than when work is complete. Graph engineering, introduced in July 2026, makes multi-agent systems programmable by organizing stable organizational graphs and ephemeral task graphs, though the underlying concept predates the terminology.

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